Older people with a BMI (body mass index) in the overweight range live longer, according to the results of a new study.Deakin University's professor of nutrition and ageing, Caryl Nowson, led a research team that looked at the relationship between BMI and risk of death in people aged 65 years and older. They found that the lowest risk of death was among those with a BMI of around 27.5, which is considered overweight according to the World Health Organisation (WHO) guidelines; and mortality was significantly increased in those with a BMI between 22 and 23, which is in the normal weight range. The results of the study, published in The American Journal of Clinical Nutrition, suggest that current BMI recommendations may not be suitable for older adults. Continued at MedicalNewsToday>>